Practicing Success
Practicing Success
CUET Preparation Today
Work done in raising a box depends on : |
How fast it is raised The strength of the man The height by which it is raised None of the above |
The height by which it is raised |
Work done is given by : \(W = \vec{F}.\vec{S} = FS \cos {\theta}\) \(W = mgH \cos {180^0}\) \(W = - mgH\) \(\Rightarrow W \propto H\) |
